The stock market soared in the first half, but the movement wasn't exactly broad-based. A certain type of company led the S 500 to its increase of more than 14%.

I'm talking about technology players, especially those with a focus on artificial intelligence (AI). In fact, just four of these stocks -- Nvidia, Microsoft, , and Amazon -- accounted for more than half of the index's first-half gain, according to JP Morgan Wealth Management. Among those four, Nvidia registered the best performance by far, soaring nearly 150%.

But another AI stock actually topped the AI chip giant in the period, advancing 188%. Thanks to this company's rising earnings and excellent performance, it recently was invited to join the S 500 and the Nasdaq 100.

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Source Fool.com